Warren Buffett did something curious with his Apple stock holding CNBCWarren Buffett’s Apple Sale Brings Value Back to Quality Investing BloombergWarren Buffett details Berkshire’s Apple, Chevron and Capital One sales while also buying more Chubb The Associated PressAs Warren Buffett sold Apple’s stock, these funds bought in MarketWatchA Magic Number for Berkshire’s Apple Stake? The Wall Street Journal